I refer to the rear silencer on a Discovery 200tdi.
Why the question?
Simple.
Mine fell off the other day. The system is perhaps 3+ years old, the previous one being the original LR system fitted when the beast was built, and as it was an emergency, the bill for the repair was nigh on £150.
So I was bit naffed off when this one went.
Luckily I still had the silencer, so I had a look at it. A straight through type. There was no increase in noise, and the only difference was a slight pong of burnt bio-diesel in the car.
I checked with a mate who is a LR tech bloke and posed the question what be likely to happen if a piece of pipe was welded in place instead of the box?
Response?
No difference at all.
So, a trip to the nearest exhaust centre, a rummage through their scrap bin, pipe acquired, welded on, hey presto. Loads of cash saved, a possible saying on fuel by losing a few pounds in weight, and no breach of the law!
How many other things have been built in to a product that serve no useful purpose whatsoever and could end up costing you cash?
Standby buttons on electrical items. Use the on/off switch.
Air con in soft top cars. You want cold air, lower the roof!
Any others?